Useful Tools

A browser-based guitar studio with neural amp captures, cabinet IRs, effects, recording, tuning, transposition, and YouTube jamming.

A fishing app that finds a bite window for one spot and one day using local weather, light, moon, water temperature, and tide conditions.

A browser-based suite for California school districts that validates SACS exports, diagnoses fiscal problems, and prepares correcting entries.

Flow uses a phone as a USB-MIDI or WiFi controller, with pads, faders, XY surfaces, and portable file-based layouts.

A Chinese-language bookkeeping tool for one-to-one piano teachers, linking lessons, rescheduling, payments, and parent statements.

A browser-based interpreter that analyzes REW measurement exports alongside room and speaker dimensions.

A $3 AI service screenshots a homepage, marks its alleged crimes with emojis, publishes a verdict, and sends the owner a private audit with fixes.

A privacy-first toolbox for network calculations, token inspection, text comparison, timestamps, permissions, colors, identifiers, and other everyday technical tasks.

A Taiwanese checklist that organizes the administrative work after a family member’s death by urgency and deadline.

A free app that tracks poker-night buy-ins and calculates the fewest payments needed to settle the table.

A free, browser-based USD invoice generator paired with a $19 pack for chasing late payments.

A free, four-week paper tally of after-hours owner contacts following orthopedic discharges.

A documented Android app for planning Quran memorization, scheduling revision, and receiving reminders without an account, internet connection, or ads.

Salon software that splits colour appointments into application, processing, and finishing time so stylists, basins, and rooms can be scheduled separately.

A private browser game for 3–8 friends, combining the President card game with optional table voice.

BonaFile turns WhatsApp, Snapchat, Instagram chats, or screenshots into call logs, searchable transcripts, and filing-ready exhibits.

A true-to-scale brick-building studio where you can design models manually or ask Brick Bot AI to make a starting version.

A Chrome extension that examines stores and business sites for thin credentials, invented customers, missing review sources, AI-shaped copy, and suspicious domain connections.

A browser-encrypted tool for sending passwords, API keys, recovery codes, and private notes through links that expire or burn after reading.

A free lookup tool for checking U.S. trucking companies’ authority, insurance, inspections, crashes, and independent safety grades.

A comparison tool that estimates what AI video plans will actually cost for a chosen volume, duration, resolution, audio setting, and retry rate.

An Android app for scanning coffee bags, logging brews, mapping your palate, and remembering cafés worth revisiting.

An offline-first inventory system for research labs tracking cryovials, storage positions, operators, and changes.

A free Chinese BaZi chart calculator that explains its time-zone, longitude, solar-time, and calendar calculations step by step.

A Telegram bot and Windows companion that turn forwarded work messages into dated tasks, reminders, timers, and invoice totals.

A macOS Markdown writing app built around Chinese typography, distraction-free focus, one-click WeChat public-account export, and local files.

An unofficial Fields of Mistria companion for planning gifts, fishing, museum progress, guides, and mod troubleshooting.

A Hebrew-language operations tool for bakeries that turns invoice photos, inventory counts, orders, payments, and SMS updates into one working view.

A GPS game that turns an outdoor walk into a hunt for virtual treasures, using an arrow, distance counter, and Garmin activity tracking.

A browser-based sound simulator that uses live GPS speed to synthesize combustion-engine revs, gear changes, exhaust, and downshifts inside an EV.

A Chinese- and English-language database that ranks Hong Kong-listed companies by signals associated with shell-stock activity.

An iOS ear-training app built around tracking one vocal line through Bach’s four-voice textures.

Housebroken logs a puppy’s breaks, meals, naps, and other events, then estimates when the next bathroom break is due.

A Ukrainian tool that turns group-chat screenshots or text into a coordinated grocery list and Silpo shopping basket.

A collection of local browser tools for filling, repairing, inspecting, flattening, and preparing PDF, image, and HTML forms.

A Windows note-taking app that arranges rich notes, files, images, links, and video as connected cards on an infinite canvas.

A Mac app that stores career claims with supporting links, then exports only the achievements marked safe and verified.

Nine browser-based travel calculators for flight times, baggage, jet lag, time zones, fuel costs, and related trip questions.

A deterministic Indian credit-card rewards calculator that ranks cards for a specific spend, merchant, amount, and payment method.

A browser tool turns Apple Wallet event tickets into editable, retro-styled digital stubs.

A local video editor that finds highlights in long footage, cuts them together, and extracts full-resolution photographs.

A free set of source-linked calculators and finders for planning transport, cash, neighborhoods, connectivity, airport transfers, and sightseeing in Korea.

A period, ovulation, pregnancy, and postpartum calendar built around on-device encryption and forecasts that can decline to calculate.

A swim-coaching stopwatch and season-analysis hub built for poolside sessions, race splits, stroke rates, and interval sets.

An offline Android app for organizing the routines, contacts, guides, and handover notes that grandparents, babysitters, and daycare staff may need.

A browser-based physics video tool that turns self-running 62–80-second simulations into MP4s sized for vertical posting.

A one-link ordering page for home kitchens, where customers choose dishes and pickup times while cooks receive one organized order list.

A privacy-first set of browser-based tools for merging and working with CSV files without uploading them.

Marlow combines docket, matter, document, and financial practice management with a promised stream of client work and flat-priced legal tasks.

Marlow combines matter management, docketing, documents, and billing with a client-facing service intended to route new legal work to participating firms.

A nutrition tracker built around sourced, dated restaurant-menu data rather than anonymous crowd entries.

A private iPhone app inserts a brief pause before impulse purchases and keeps a running total of what you chose not to buy.

A free, no-login tool that converts a photograph into a counted cross-stitch pattern with floss numbers, estimated skeins, and printable A4 pages.

A quiet workout app for mothers, built around no-jump, no-noise exercises that can happen while a baby sleeps.

A Greek-language internal-audit platform turns policies and business documents into reviewable findings linked to exact source excerpts and page numbers.

An offline iPhone tool for ride-hailing and taxi drivers to calculate true hourly earnings after commission, fuel, vehicle costs, and unpaid kilometres.

A €10 offline launcher that gives a child only the apps, media, photos, and games a parent selects.

An interactive astronomy and orbital explorer for stars, planets, satellites, aircraft, vessels, constellations, and deep-sky objects.

A community-maintained Japanese bouldering topo for searching climbing areas, problems, access notes, hazards, and crag logistics.

A multilingual manufacturing workflow that turns existing work instructions into step-by-step worker cards, comprehension checks, and a map of where the instructions fail.

A read-only Wikipedia reader that lets you tune typography, colour, spacing, text width, and dark-mode levels.

A browser-based toolkit for merging, splitting, reordering, rotating, cropping, numbering, and creating PDFs from images.

A privacy-conscious weather tool for dog owners, turning DWD rain radar into walk timing, alerts, and four dog-specific conditions indexes.

A beta tool that identifies Pokémon cards from photos, builds a digital binder, and tracks collection value.

A browser-based generator turns links, Wi-Fi details, contact cards, and other text into downloadable two-colour 3D-printable QR objects.

An iPhone range coach that calls each shot, gives you a visible target window, and grades whether the ball met the assignment.

A native macOS menu-bar app for viewing Dexcom readings, trends, alerts, and 24-hour glucose context at a glance.

A creator-commerce tool for selling ebooks through one-page, video-specific stalls with Stripe checkout and cookieless sales attribution.

A browser-local writing tool that examines a manuscript for machine-like phrasing, text integrity, voice, originality, accuracy, and continuity—without generating the prose.

A free, browser-based tool that fixes mixed Arabic, English, and numeric text, with a separate mode for sending Arabic into After Effects, game engines, and other design software.

A free, no-sign-up EV route planner that estimates arrival charge using terrain, weather, vehicle details, driving style, and charger usability.

A free suite of 16 browser-based calculators and reference tools for woodworking, from shelf sag and lathe speed to board feet and crown molding.

A free collection of sports scoring, handicap, pace, equivalence and performance calculators built from published governing-body standards.

A research tool that answers questions about SEC filings using cited EDGAR data, charts, and downloadable Excel and PDF reports.

An offline, open-source tool that turns rolls of a physical 16-sided die into a 12- or 24-word BIP-39 recovery phrase.

An open-source offline tool turns rolls of a physical 16-sided die into a BIP-39 recovery phrase.

An iPhone app that relays SMS messages from a SIM left in an Android phone at home, including replies sent from the original number.

An interactive six-letter word game asks players to find every word on a letter wheel, with hand-authored clues drawn from Black American cultural life and 14 stated themes.

A native macOS sound-library browser and toolkit for theatre designers, with search, auditioning, editing, effects, pitch tools, and drag-and-drop export.

An interactive London discovery map cataloguing 292 overlooked and essential places, with walking routes, filters, and neighbourhood guides.

A local-first desktop kanban of collapsible markdown sticky notes, with optional Obsidian, Outlook, calendar, and Claude enrichment.

A knitting and crochet workspace that handles gauge, resizing, yarn, blanket, granny-square, and row-count calculations, alongside editable pixel charts.

An Indonesian operations tool for event-rental and decoration vendors, combining availability, orders, invoices, and delivery paperwork.

An offline tracker for irregular chores, habits, and obligations that records how long it has been since you last did each one.

A searchable registry tracking 30,375 serialized T1 trading-card copies across English, Chinese, and Korean editions.

A browser-based case-management and court-form tool for Kansas family-law practitioners, designed to populate financial affidavits from facts entered once.

An offline Android medication app for reminders, schedules, supply tracking, records, and PDF reports.

EPIC.Projector.Earth turns NASA DSCOVR satellite imagery into an interactive 3D Earth you can rotate, animate, and view from several orbital perspectives.

A local-first phone app for logging GLP-1 medication, meals, side effects, strength work, measurements, and progress.

Una aplicación web que predice cuándo un avión cruzará el Sol o la Luna desde la ubicación exacta del observador.

A phone-based tool that scans beauty-product barcodes and judges ingredients against a user’s pregnancy, postpartum, skin, and strictness settings.

A small macOS utility reads files, proposes recognisable names and folders, and lets you approve each decision with the arrow keys.

A document-control system for tracking refinery turnaround welds, inspections, blinds, flange joints, test packages, and turnover records.

Cuttr turns 2D artwork into printable 3D cookie cutters and stamps, with automatic reinforcement, multi-cutter trays, and multi-size STL export.

A browser-based diagnostic that reads a business-critical spreadsheet and explains what it is carrying—and what might replace its manual work.

A live statistics dashboard for the VATSIM flight-simulation network, tracking pilots, controllers, ATIS positions, flights, maps, events, and replays.

A free map of 1,502 places to find a restroom, with filters for vibe, access, and the presence of a bidet.

A browser-based analyzer that traces effective permissions across AWS IAM, resource policies, SCPs, permissions boundaries, trust policies, KMS keys, and CloudTrail data.

An offline-capable homework helper that scans English, Malay, and Mandarin handwriting into vocabulary cards, translations, pronunciation practice, and writing exercises.

A local-first desktop workspace combining notes, graphs, tasks, calendars, boards, decks, chat, files, and AI agents.

A German calculator for photovoltaic operators that breaks direct-marketing revenue into its component values and estimates curtailment losses.

An Italian condominium management system that handles assemblies, quorum calculations, expense allocation, accounting, reports, documents, and resident access.

A Windows desktop mail client that combines Microsoft 365, shared mailboxes, iCloud, Gmail, Fastmail, Yahoo, and other IMAP accounts in one local inbox.

A VST3 audio plugin that analyzes a mix in real time and answers mixing questions with spectral evidence and concrete plugin chains.

A Portuguese-language learning game where players write regex patterns, test them against examples, and advance through progressive challenges.

A climate-risk intelligence platform that combines environmental data, historical events, mapped exposure, and evidence-labelled analysis for specific places.

A Thai-language LINE companion for recording expenses, saving receipts, setting reminders, and keeping track of everyday tasks.

A location-aware guide to trails, courts, fields, pools, gyms, and organized activities around Chapel Hill, Carrboro, and Durham.

Aisar lets workshops dictate repair records by voice, then publishes an immutable, VIN-linked history that future owners and mechanics can read without an account.

A ChatGPT connector that calls businesses from your verified phone number, then returns a transcript, summary, and outcome.

A research assistant that scans literature, runs statistical analyses, and stress-tests study ideas while linking claims to sources, dataset versions, and analysis plans.

A browser-based visual tool that lets users upload, generate, select, rearrange, and animate text through physics controls and effects.

ApplyVerified filters remote listings by right-to-work and timezone constraints, then records applications and supporting proof.

An Ontario-focused planner and directory for comparing registered energy auditors, estimating upgrade savings, and tracking active rebates.

A native double-entry accounting app for iPhone, iPad, and Mac that reads and writes plain-text .ledger journals.

Quoterite connects dealer orders to cutting, sewing, assembly, quality checks, dispatch, and invoicing for custom window-furnishing manufacturers.

Camp-management software for registration, payments, health records, bunk assignments, rosters, reports, and related office work.

A historical football database tracking UEFA country rankings, clubs, and European matches from 1955/56 through 2026/27.

A Telegram bot and Windows app that turn incoming work messages into timed tasks, reminders, and desktop pop-ups.

A free browser tool that filters current Clash Royale decks and opens validated links for copying them into the game.

An offline iPhone and iPad cleaner that finds duplicates, blurry shots, oversized media and other storage hogs, while also shrinking files without removing them.

A browser-based tool that compares a provider bill with an insurer’s Explanation of Benefits and drafts a dispute letter.

A workout app that records completed sets and automatically calculates the next load according to a rule the lifter selects.

An offline point-of-sale system for Venezuelan small businesses handling bolívares, dollars, euros, inventory, credit sales, taxes, and end-of-day reconciliation.

Gatherfox collects short video messages through one private link, assembles them into a montage, and charges $29 for the clean download.

An interactive historical atlas that redraws borders across 2,500 years, with maps, timelines, battles, rulers, people, modern-country facts, and geography games.

SpendSentry reads a bank or card statement, identifies recurring charges, tracks renewals, and guides you through cancellation.

An interactive visualizer models how much rubber tires shed during cruising, hard braking, and burnouts.

A Windows app for GSPro that combines live shot data, simulator and camera footage, streaming, recording, and swing analysis.

A reconciliation tool that turns bank statements and receipt photos into donor-ready Excel reports for funded organisations.

A browser-based Minecraft pixel-art generator that converts PNG, JPG, and WebP images into Java wall mosaics or map art.

A planning workspace for civil engineer squadrons designing bare bases and forward operating bases.

A Texas electricity-plan comparison tool that ranks offers against a household's actual month-by-month usage.

Kisab is an Android app for recording farm sales, purchases, debts, production, supplies, and daily work without an internet connection.

A browser-only toolkit offering 44 free tools for PDFs, images, and videos without uploads or accounts.

A privacy-first iPhone and iPad app that blocks selected apps and websites through Apple’s Screen Time, with sessions that resist casual escape.

An iPhone app that extracts suggested places from saved Reels and TikToks, then builds an approval-based shared map for trip planning.

An Android dive logbook for recording dives, gear servicing, certification cards, and portable dive data offline.

A migration utility matches old and new URL lists, flags uncertain rows, and exports redirects for nginx, Netlify, Vercel, Cloudflare, Apache, or CSV.

A live-spot-price calculator for gold, silver, platinum, and US coins, with melt values and estimated buyer payout ranges.

A photo-repair service for tears, stains, fading, mold, creases, scratches, and missing pieces.

A household chore app hands out small, room-based task blocks for 7-, 15-, or 30-minute shared rounds.

An unofficial Japanese tool for comparing 2026 Carrot Club racehorses by pedigree, measurements, price, trainer, and personal ratings.

A recipe-cleaning tool that turns a public recipe link into a readable, printable card or PDF.

A budgeting service that turns short WhatsApp messages such as “Lunch 8.50” into categorized spending records and a browser dashboard.

A browser-based toolkit for converting, compressing, cropping, trimming, and reshaping images, video, audio, and PDFs without an account.

A no-code operations system that connects orders, payments, warehouse work, shipping, invoices, and returns in one workflow.

A parameter-rich music workflow tool that builds phased hardware guides from selected devices, a direction, a seed, and mood controls.

A browser-based Parkinson’s diary for logging symptoms, meals, falls, and medication timing.

A document validator examines pharmaceutical certificates of analysis for missing information, specification mismatches, test results, dates, signatures, and internal inconsistencies.

A browser-based diagnostic that grades your connection across speed, latency, jitter, bufferbloat, NAT, DNS, packet loss, and global reach.

A GPS-based restroom finder that ranks nearby bathrooms for cleanliness, privacy, supplies, and urgency-friendly details.

An open-source, local-first teleprompter studio for writing scripts, rehearsing delivery, reading to camera, recording, and going live.

A local-first toolkit for converting, resizing, compressing, and rearranging image and PDF files without uploading them.

A durable speaker roster that lets event teams rate presenters, track invitations, and search past performance by topic.

A browser-controlled guitar amp that uses a small native helper to keep audio latency below 10 milliseconds.

SceneDub lets you dub short playable scenes, record each line, transcribe audio, inspect waveforms, and find YouTube clips in the browser.

An open-source Fabric mod that lets friends share a Minecraft world while whoever is online hosts it.

An early-access room-correction tool that uses your phone to measure speaker response and cautiously fix repeatable bass problems.

SpendCrew scans contractor receipts, assigns individual line items to jobs, and flags anything that does not reconcile.

A Klaviyo analytics tool that reconstructs email tests from raw events and rechecks their results.

A public search interface for the Serbian Archives of Medicine, covering journal articles from 2002 onward.

A live draft-order tool that lets leagues run themed races or elimination gauntlets instead of trusting a commissioner.

A visual reference for decoding symbols across cars, aircraft, boats, trains, agricultural machinery, and heavy equipment.

A personal catalog for books, records, games, films, photographs, and the objects people collect.

A family screen-time system where children log activities, adults approve them, and custom rates convert effort into minutes for screens.

A browser-based MIDI sound engine with a concert grand and a large library of keyboard, orchestral, guitar, bass, synth, percussion, and sound-effect patches.

An iPhone app that points out nearby places, distances, travel times, and opening status without behaving like a conventional directory.

An arcade-style typing trainer for Japanese, Mandarin, and Korean, with races, falling-character drills, rhythm play, passages, and practice modes.

A local macOS system that turns the history inside DJ software into seven visual stories.

A forthcoming Texas electricity-plan comparison tool that applies each plan's full pricing structure to a household's own twelve months of usage.

A prelaunch community radar for University of Newcastle parking fines, ranger sightings, and enforcement patterns.

A Chinese-language guide to scented-candle DIY, covering waxes, wicks, fragrance ratios, troubleshooting, sourcing, and experimental method.

An Arabic-first point-of-sale and accounting system for merchants in the West Bank, Jordan, and the wider Arab region.

A small artifact-hosting API that gives AI agents and automation a public download URL for files up to 25 MiB.

A no-sign-up diagnostic tool that traces where a Stremio playback chain fails.

A habit app designed for exactly two people, where each person's consistency keeps a shared metaphorical tree growing.

A garden-walk tool that photographs plants, requests identifications and care information, and saves the resulting walk for later review or sharing.

A phone-browser interpreter records a medical conversation sentence by sentence, showing both languages and preserving doses, dates, warnings, and follow-up instructions.

A casebook for European-car specialists that stores wiring faults, measurements, repairs, and verification steps for future diagnosis.

A browser-based gamepad diagnostic that lights up buttons, reads triggers and sticks, measures drift, and tests vibration.

A browser-based UK freelance invoice recovery tool that calculates statutory interest, builds an evidence timeline, and prepares an action-ready recovery pack.

An interactive sleep-timing tool for shift workers that maps a roster to likely crash windows, light exposure, sleep, and caffeine timings.

A macOS dictation app that transcribes speech on-device and inserts it into whatever text field you are using.

An iPhone trading-card scanner that identifies cards and variants, then pairs market estimates with eBay sold comparisons and collection tracking.

A bilingual football tracker for Cameroon, covering live scores, fixtures, standings, competitions, and clubs.

A browser-based image cleaner that removes C2PA, IPTC, EXIF, GPS, and other metadata associated with AI labels.

A location-based research tool for finding deaths recorded near an address, from public records, local news, and historical sources.

A free Israeli lookup tool that uses a license plate number to show a vehicle’s model, year, fuel type, and official safety-equipment rating.

A browser-based calculator estimates how much global supply-chain work time is distributed across an everyday purchase.

A computer-vision tool compares a LEGO build with a finished photo or instruction page and marks missing, misplaced, or rotated pieces.

BugBed grades bug reports across six criteria, then returns a score, letter grade, feedback, badges, and shareable records.

A tablet-focused apnea-training app with guided breath-hold sessions, custom CO₂ and O₂ tables, Apnea Walk protocols, and optional Bluetooth sensor readings.

A French-language collection tracker that records Pokémon card and sealed-product purchases, then follows their market value over time.

An offline Android habit tracker for timed routines, streaks, freezes, heatmaps, and home-screen widgets.

Cook County Records assembles assessments, sales, permits, appeals, and flood-zone data for 15,636 Park Ridge parcels.

An interactive 3D atlas of planets, stars, galaxies, spacecraft, and exoplanets assembled from NASA and other scientific datasets.

Navigation software that uses route-specific tide data to calculate course-to-steer, estimated positions, and passage timing.

A German-language group-meal planner for shared vacations, combining recipes, dietary restrictions, kitchen equipment, attendance, voting, and divided shopping lists.

A browser tool that turns ordinary text into fifteen copyable Unicode styles, including Zalgo, blackletter, glitch, runes, and mirrored script.

A live demo of a verified registry that publishes payment authorizations canceled before capture.

A free organizer-first tool that handles pickleball matchmaking, check-ins, live courts, scoring, and session recaps.